[oath] In ancient Roman religion and law, the sacramentum was an oath or vow that rendered the swearer sacer, `given to the gods,` in the negative sense if he violated it. Sacramentum also referred to a thing that was pledged as a sacred bond, and consequently forfeit if the oath were violated. Both instances imply an underlying sacratio, a...
Found on
http://en.wikipedia.org/wiki/Sacramentum_(oath)

Military oath.
Found on
http://www.encyclo.co.uk/local/20764

The solemn oath taken by the conscript on his enrolment. It bound the soldier to the state and his superiors and rendered accursed anyone who broke it.
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http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.